public IActionResult SetFamilies([FromBody] List <Family> families)
{
if (Request.Headers.Authorization != AdminSecret)
{
return(Unauthorized());
}
var response = new Dictionary <string, string>();
bool done = false;
using (var db = new SantaContext())
{
db.Santas?.RemoveRange(db.Santas);
db.SaveChanges();
do
{
var transaction = db.Database.BeginTransaction();
try
{
for (int i = 0; i < families.Count; i++)
{
Family currentFamily = families.ElementAt(i);
IEnumerable <Family> otherFamilies = families.Where(x => x.Id != currentFamily.Id);
foreach (Person person in currentFamily.Members)
{
//Assuming that this person is not gifting to anyone!
//Get people that are not getting a gift from anyone, random them up
List <Person> personsWithoutIsGiftedTo = otherFamilies
.SelectMany(x => x.Members)
.Where(x => !x.IsGiftedTo)
.OrderBy(x => Guid.NewGuid())
.ToList();
Person giftingTo = personsWithoutIsGiftedTo.First();
person.GiftingTo = giftingTo;
giftingTo.IsGiftedTo = true;
}
}
done = true;
foreach (Family family in families)
{
foreach (Person person in family.Members)
{
if (person.GiftingTo == null)
{
throw new Exception("GiftingTo is Null!");
}
var name = person.GiftingTo.Name;
var symmetricEncryptDecrypt = new EncryptionFactory();
var IVBase64 = symmetricEncryptDecrypt.InitSymmetricEncryptionIV(EncryptionKey);
var encryptedName = symmetricEncryptDecrypt.Encrypt(name, IVBase64, EncryptionKey);
var santa = new Santa(person.Name, encryptedName, IVBase64);
db.Santas?.Add(santa);
response.Add(person.Name, santa.Id.ToString());
}
}
db.LogEntries?.RemoveRange(db.LogEntries);
db.SaveChanges();
}
catch (Exception ex)
{
if (ex is InvalidOperationException)
{
//All good, this exception is expected, reset and try again!
transaction.Rollback();
response = new Dictionary <string, string>();
}
else
{
throw;
}
}
transaction.Commit();
} while (!done);
}
return(Ok(response));
}
